Home / 16,071.68-22,180.16-9,000.48

Finding the Fourth Proportional to 16,071.68, 22,180.16 and 9,000.48

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Solution

The fourth proportional to 16,071.68, 22,180.16 and 9,000.48 is: 12,421.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,071.68 : 22,180.16 = 9,000.48 : x
  2. Step 2: Convert to fraction form
    16,071.68/22,180.16 = 9,000.48/x
  3. Step 3: Cross multiply
    16,071.68x = 22,180.16 × 9,000.48
  4. Step 4: Simplify right side
    16,071.68x = 199,632,086.48
  5. Step 5: Solve for x
    x = 199,632,086.48/16,071.68
  6. Step 6: Final answer
    x = 12,421.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.